Version 1.51.0

This release targets the OpenTelemetry Java Instrumentation 2.21.0.

AWS X-Ray SDK support and propagator

• Add AWS X-Ray adaptive sampling support (#2147).

Common Expression Language sampler - New 🌟

A rule-based sampler backed by Common Expression Language (CEL) expressions for declarative sampling rules

Disk buffering

• Implement the disk buffering API (#2183).

Inferred spans

• Return the previous profiler interval from setInterval (#2354).

OpAMP client

• Restore the client parameter to OpAMP callbacks (#2336).

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@bidetofevil
@breedx-splk
@copilot-swe-agent
@dol
@jack-berg
@jackshirazi
@jaydeluca
@johnbley
@KarstenSchnitter
@laurit
@LikeTheSalad
@majanjua-amzn
@marandaneto
@mcmho
@psx95
@robsunday
@srprash
@trask
@tylerbenson
@wangzlei
@zeitlinger

Version 1.50.0

This release targets the OpenTelemetry Java Instrumentation 2.20.1.

Note: This release broadly applies some style guidelines across the repository. As a result, some classes that were visible might be package/private. Other non-final classes may now be final. See #2182 and #2210 and #2212 and #2213 for examples and details. These changes are not expected to break anyone, so please open an issue if this causes problems.

Baggage processor

• Move baggage processor to the front of the processor list (#2152)
• Add declarative configuration support (#2031)

Disk buffering

• Catching IllegalStateException in case of failed deserialization (#2157)
• Apply final to public API classes where possible (#2216)
• Handle empty attribute values (#2268)

Inferred spans

• Support dynamically changing the inferred span interval (#2153)

JMX scraper

• Implement stable service.instance.id (#2270)

Kafka exporter

• Add Kafka connectivity error handling (#2202)

OpAMP client

• Move important user-facing classes out of 'internal' package (#2249)
• Exponential backoff retries on http connection failures (#2274)

Span stack traces

• Add declarative configuration support (#2262)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@atoulme
@boguszpawlowski
@breedx-splk
@copilot-swe-agent
@Ejdangerfield
@JacekPietrasSpotOn
@jackshirazi
@jaydeluca
@jkwatson
@KarstenSchnitter
@laurit
@LeadAssimilator
@LikeTheSalad
@MikeGoldsmith
@oertl
@PeterF778
@robsunday
@SpotOnDJ
@SylvainJuge
@trask
@vicziani
@vincentfree
@zeitlinger

Version 1.49.0

This release targets the OpenTelemetry Java Instrumentation 2.19.0.

Consistent sampling

• Add updateable threshold sampler for dynamic sampling configuration (#2137)

Disk buffering

• Introduce API changes for improved disk buffering functionality (#2084)
• Implement more efficient serializer with direct disk write capabilities (#2138)

IBM MQ metrics - New 🌟

IBM MQ metrics collection utility.

Inferred spans

• Update async profiler to version 4.1 for improved performance (#2096)

OpAMP client - New 🌟

OpenTelemetry Agent Management Protocol (OpAMP) client implementation.

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@anuraaga
@atoulme
@bidetofevil
@breedx-splk
@danielcompton
@evan361425
@fractalwrench
@jackshirazi
@jaydeluca
@JonasKunz
@laurit
@LikeTheSalad
@mcmho
@MustafaHaddara
@opentelemetrybot
@PeterF778
@robsunday
@SylvainJuge
@tigrannajaryan
@trask
@tylerbenson
@zeitlinger

Version 1.48.0

This release targets the OpenTelemetry Java Instrumentation 2.18.1.

AWS resources

• Support for declarative configuration (#2014)

AWS X-Ray SDK support

• Update SamplerRulesApplier to recognize new HTTP/URL semconv (#1959)

Azure resources

• Support for declarative configuration (#2014)

CloudFoundry resources

• Support for declarative configuration (#2014)

Consistent sampling

• Refactor ConsistentFixedThresholdSampler to prepare for dynamic threshold support (#2018)
• ConsistentRateLimitingSampler can fail if used in combination with legacy samplers (#2022)

GCP resources

• Support for declarative configuration (#2014)

JMX metrics

• Deprecate JMX Gatherer and provide migration guide to JMX Scraper (#2034)

JMX scraper

• Update Jetty metrics configuration corresponding to Java Instrumentation 2.18.0 (#2033)
• Mark as production-ready and remove experimental status (#2034)

Maven extension

• Support for declarative configuration (#2014)

Resource providers

• Support for declarative configuration (#2014)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@AsakerMohd
@breedx-splk
@jack-berg
@jackshirazi
@jaydeluca
@laurit
@LikeTheSalad
@PeterF778
@srprash
@SylvainJuge
@trask
@zeitlinger

Version 1.47.0

This release targets the OpenTelemetry Java Instrumentation 2.17.0.

Disk buffering

• Shared storage (#1912)
• Implementing ExtendedLogRecordData (#1918)
• Add missing EventName to disk-buffering LogRecordDataMapper (#1950)

GCP authentication extension

• Update the internal implementation such that the required headers are retrieved from the Google Auth Library instead of manually constructing and passing them. (#1860)
• Add metrics support to auth extension (#1891)
• Update ConfigurableOptions to read from ConfigProperties (#1904)

Inferred spans

• Upgrade async-profiler to 4.0 (#1872)

Kafka exporter

• Upgrade kafka-clients to 4.0 (and so now requires Java 11+) (#1802)

Maven extension

• Add option to record transferred artifacts (#1875)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@aabmass
@breedx-splk
@copilot-pull-request-reviewer
@cyrille-leclerc
@danielcompton
@Doohl
@github-advanced-security
@jack-berg
@jackshirazi
@jaydeluca
@jigarkb
@JonasKunz
@jsuereth
@laurit
@LikeTheSalad
@Mahoney
@opentelemetrybot
@psx95
@robsunday
@sky333999
@smurf667
@steverao
@SylvainJuge
@tigrannajaryan
@trask
@zeitlinger

Version 1.46.0

This release targets the OpenTelemetry Java Instrumentation 2.15.0.

Baggage processor

• Remove the deprecated and unused bare Predicate (#1828)

Telemetry processors

• Add logs filtering (#1823)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@ecausarano
@kenfinnigan
@laurit
@LikeTheSalad
@MikeGoldsmith
@oertl
@oliver-zhang
@PeterF778
@trask

Version 1.45.0

This release targets the OpenTelemetry Java Instrumentation 2.14.0.

Disk buffering

• Make configuration package public (#1781)

JMX scraper

• Reuse instrumentation metrics by default (#1782)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@aabmass
@bencehornak
@breedx-splk
@jack-berg
@jsuereth
@laurit
@LikeTheSalad
@michaelsafyan
@PeterF778
@psx95
@robsunday
@SylvainJuge
@trask

Version 1.44.0

This release targets the OpenTelemetry Java Instrumentation 2.13.1.

AWS resources

• Changed resource attribute container.image.tag to container.image.tags (#1736)

AWS X-Ray propagator

• Make xray-lambda propagator available via SPI (#1669)
• Support Lineage in XRay trace header and remove additional baggage from being added (#1671)

CloudFoundry resources - New 🌟

CloudFoundry resource detector.

Disk buffering

• Use delegate's temporality (#1672)

GCP authentication extension

• Publish both shaded and unshaded variants (#1688)

JMX metrics

• Updated Hadoop metric unit definitions to align with semantic conventions (#1675)
• Updated Kafka metric unit definitions to align with semantic conventions (#1670)

JMX scraper

• Use SDK autoconfigure module (#1651)
• Rename otel.jmx.custom.scraping.config to otel.jmx.config in order to align with io.opentelemetry.instrumentation:opentelemetry-jmx-metrics (#1678)
• Hadoop metrics added (#1675)
• Add a CLI option to test the connection (#1684)
• Kafka server, producer, and consumer metrics added (#1670)
• Add custom YAML support (#1741)
• Add SSL support (#1710)
• Replicate JMXMP/SASL config from the JMX metrics module (#1749)

Maven extension

• Support Maven 4.0 (#1679)

Processors

• Changed EventToSpanEventBridge from reading event.name to reading the new LogRecord EventName field. (#1736)

Static instrumenter

• Module has been removed (#1755)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@arun-annamalai
@austinlparker
@breedx-splk
@cyrille-leclerc
@github-advanced-security
@hohwille
@jack-berg
@jackshirazi
@jaydeluca
@JonasKunz
@kenfinnigan
@laurit
@LikeTheSalad
@liustve
@psx95
@rhavenInc
@RichardChukwu
@robsunday
@srprash
@step-security-bot
@steverao
@SylvainJuge
@trask
@tylerbenson
@wangzlei

Version 1.43.0

This release targets the OpenTelemetry Java Instrumentation 2.12.0.

Azure resources - New 🌟

Azure resource detectors.

Consistent sampling

• Improve interop with legacy samplers (#1629)

GCP authentication extension - New 🌟

Allows users to export telemetry from their applications to Google Cloud using the built-in OTLP exporters. The extension takes care of the necessary configuration required to authenticate to GCP to successfully export telemetry.

JMX scraper

• Add support for Solr (#1595)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@aabmass
@bcarter97
@breedx-splk
@cyrille-leclerc
@dashpole
@heyams
@jsuereth
@laurit
@LikeTheSalad
@oertl
@PeterF778
@psx95
@punya
@robsunday
@sfriberg
@SylvainJuge
@trask
@zeitlinger

Version 1.42.0

AWS X-Ray SDK support

• Update semconv dependency version (#1585)

Baggage processor

• Add BaggageLogRecordProcessor (#1576)

Disk buffering

• Deserialization validation (#1571)

JMX metrics

• Align HBase metric units to semconv (#1538)
• Align Cassandra metric units to semconv (#1591)
• Align Tomcat metric units to semconv (#1589)
• Align JVM units to semconv (#1593)

JMX scraper - New 🌟

The future of the JMX metrics component, built on top of the [JMX me
trics](https://github.com/open-telemetry/opentelemetry-java-instrumentation/tree/main/instrumen
tation/jmx-metrics/javaagent#jmx-metric-insight) component from the opentelemetry-java-instrumentation repository.

Maven extension

• Load OTel SDK config from environment variables and system properties (#1434)
• Workaround NoClassDefFoundError in @PreDestroy waiting for MNG-7056 (#1431)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@breedx-splk
@cyrille-leclerc
@jackshirazi
@jaydeluca
@laurit
@LikeTheSalad
@marquiswang
@robsunday
@SylvainJuge
@trask
@vicziani
@zeitlinger